Datasheet

Data Sheet ADA4084-1/ADA4084-2/ADA4084-4
Rev. I | Page 25 of 36
1000
10000
100
10
1
0.001 0.01 0.1 1 10
V
DO
(mV)
SINK CURRENT (mA)
V
SY
= ±15V
T
A
= 25°C
V
OL
– (V–)
08237-056
Figure 84. Dropout Voltage (V
DO
) vs. Sink Current
120
–40
270
–90
100 100M
GAIN (dB)
PHASE (Degrees)
FREQUENCY (Hz)
–45
0
45
90
135
180
225
–20
20
0
40
60
80
100
1k 10k 100k 1M 10M
V
SY
= ±15V
T
A
= 25°C
R
L
= 10kΩ
08237-057
Figure 85. Open-Loop Gain and Phase vs. Frequency
60
–20
10 100M
GAIN (dB)
FREQUENCY (Hz)
–10
0
10
20
30
40
50
100 1k 10k 100k 10M1M
V
SY
= ±15V
T
A
= 25°C
08237-058
A
V
= +100
A
V
= +10
A
V
= +1
Figure 86. Closed-Loop Gain vs. Frequency
1000
100
10
1
0.1
0.01
10 100M
Z
OUT
(Ω)
FREQUENCY (Hz)
100 1k 10k 100k 10M1M
V
SY
= ±15V
T
A
= 25°C
A
V
= +100
A
V
= +1
A
V
= +10
08237-059
F
igure 87. Output Impedance (Z
OUT
) vs. Frequency
140
–20
10 100M
PSRR (dB)
FREQUENCY (Hz)
0
20
40
60
80
100
120
100 1k 10k 100k 10M1M
V
SY
= ±15V
T
A
= 25°C
PSRR–
PSRR+
08237-060
Figure 88. PSRR vs. Frequency
140
120
100
80
60
40
20
0
10 100M
CMRR (dB)
FREQUENCY (Hz)
100 1k 10k 100k 10M1M
V
SY
= ±15V
T
A
= 25°C
08237-279
Figure 89. CMRR vs. Frequency
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